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The galactic year, or cosmic year, is the duration of time required for the Sun to orbit once around the center of the Milky Way Galaxy. Estimates of the length of one orbit range from 225 to 250 million terrestrial years.
In relation to the base unit of [time] => (seconds), 1 Metonic Cycles (mc) is equal to 599616000 seconds, while 1 Galactic Years (gal) = 7.25328E+15 seconds.| 138000 Metonic Cycles | to common time units |
|---|---|
| 138000 mc | = 82747008000000 seconds (s) |
| 138000 mc | = 1379116800000 minutes (min) |
| 138000 mc | = 22985280000 hours (hr) |
| 138000 mc | = 957720000 days (day) |
| 138000 mc | = 136817142.85714 weeks (wk) |
| 138000 mc | = 2623890.4109589 years (yr) |
| 138000 mc | = 31486684.931507 months (mo) |
| 138000 mc | = 262355.76410907 decades (dec) |
| 138000 mc | = 26235.576410907 centuries (cent) |
| 138000 mc | = 2623.5576410907 millenniums (mill) |